/*
 * ====================================================================
 * Copyright (C) 2013 Eric Blond
 *
 * This file is part of Neptune.
 *
 * Neptune is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Neptune is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Neptune.  If not, see <http://www.gnu.org/licenses/>.
 * ====================================================================
 */

package com.hyperplan.neptune.lexer;

import com.hyperplan.neptune.utils.Location;

public class StringToken extends Token {

	private String value;
	
	public StringToken(Location location, String value) {
		super(location);
		this.value = value;
	}
	
	public String getValue() {
		return value;
	}
	
	private String representation() {
		StringBuffer buffer = new StringBuffer();
		buffer.append("\"");
		for (char character : value.toCharArray()) {
			switch (character) {
			case '\r':
				buffer.append("\\r");
				break;
				
			case '\\':
				buffer.append("\\\\");
				break;
				
			case '\n':
				buffer.append("\\n");
				break;
				
			case '\t':
				buffer.append("\\t");
				break;
				
			case '\b':
				buffer.append("\\b");
				break;
				
			case '\f':
				buffer.append("\\f");
				break;
				
			case '"':
				buffer.append("\\\"");
				break;
			
			default:
				buffer.append(character);
			}
		}
		buffer.append("\"");
		return buffer.toString();
	}
	
	public String getDescription() {
		return String.format("String [%s] @ %s",
				representation(), getLocation().description());
	}
}
